Homework 4 |
An alternative technique is a solution of the regularized
least-squares optimization problem
inter0
Figure 7. Rainfall data interpolated using regularization with the gradient filter. |
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Figure 7 shows the interpolation result after 10 and 100 iterations. 100 iterations are not enough to converge to an acceptable solution, which is evident from the correlation analysis in Figure 8.
inter0-100-pred
Figure 8. Correlation between interpolated and true data values for regularization with 100 iterations. | |
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Homework 4 |